On Sat, Mar 14, 2015 at 6:02 AM, Alan Modra <amo...@gmail.com> wrote: > This is Richi's prototype patch in > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36043#c23 with fixes for > blocks larger than one reg, big-endian, and BLOCK_REG_PADDING. > I also removed the operand_subword_force since we may as well let > narrow_bit_field_mem in extract_bit_field do that for us. It is > necessary to do the BLOCK_REG_PADDING shift after we've loaded the > block or else repeat the bit-field extraction in that case. > > Bootstrapped and regression tested (-m32 and -m64) x86_64-linux and > powerpc64-linux. OK to apply? > > I'll also throw together a testcase or three. For execute tests I'm > thinking of using sbrk to locate an odd sized struct such that access > past the end segfaults, rather than mmap/munmap as was done in the > pr36043 testcase. Does that sound reasonable? > > PR target/65408 > PR target/58744 > PR middle-end/36043 > * calls.c (load_register_parameters): Don't load past end of > mem unless suitably aligned. >
Can you add a testcase in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36043 -- H.J.
